I don't care if people doubt me. I believe in myself.

心理学必须基于事实，而非假设。

老年最好的盔甲就是追求完美、没有虚度的一生。

The first duty of the sovereign， that of protecting the society from the violence and invasion of other independent societies， can be performed only by means of a military force.

"You can't manage what you don't measure."

Tomorrow will be better for as long as America keeps alive the ideals of freedom and a better life.